package com.gateway.config;

import org.springframework.cloud.gateway.filter.GatewayFilterChain;
import org.springframework.cloud.gateway.filter.GlobalFilter;
import org.springframework.core.Ordered;
import org.springframework.stereotype.Component;
import org.springframework.web.server.ServerWebExchange;
import reactor.core.publisher.Mono;

/**
 * 全局过滤器
 *
 * @author ruoyi
 */
@Component
public class AuthFilter implements GlobalFilter, Ordered {
    @Override
    public Mono<Void> filter(ServerWebExchange exchange, GatewayFilterChain chain) {
//        System.out.println("执行全局过滤器！");
//        String token = exchange.getRequest().getQueryParams().getFirst("token");
//        if (null == token){
//            ServerHttpResponse response = exchange.getResponse();
//            response.getHeaders().add("Content-Type", "application/json; charset=utf-8");
//            String message = "{\"message\":\"请求token信息不能为空\"}";
//            DataBuffer buffer = response.bufferFactory().wrap(message.getBytes());
//            return response.writeWith(Mono.just(buffer));
//        }
        return chain.filter(exchange);
    }

    @Override
    public int getOrder() {
        return 0;
    }
}
